JWT Testing with Bruno

This Bruno collection demonstrates how to use the jsonwebtoken library inside Bruno to generate and verify JWT tokens, improving your API testing workflow.

🚀 Features

• Generate JWT access tokens using jsonwebtoken library
• Automatically set tokens in Bruno environment variables
• Verify tokens and inspect payloads in Bruno's DevTools console
• Streamlined authentication testing workflow

📦 Setup

Method 1: Fetch in Bruno (Recommended)

Use the "Fetch in Bruno" button to directly import this collection into your Bruno app:

Method 2: Manual Git Clone

git clone https://github.com/bruno-collections/jsonwebtoken.git
cd jsonwebtoken

🔧 Installation

After fetching or cloning the collection, install the required dependencies:

1. Open your terminal in the directory where you saved this collection

2. Install dependencies:

   npm install

   This will install:

   • express - Web framework for the demo server
   • jsonwebtoken - JWT generation and verification library

🎯 Usage

Step 1: Start Testing

1. Open Bruno and load the collection
2. Navigate to the test request in the collection
3. Click "Send" to execute the request

Step 2: Observe the Results

After executing the request, you will see:

• ✅ Access token automatically set in Bruno's environment variables
• ✅ Token verification output in Bruno's DevTools console
• ✅ Decoded payload displayed for inspection

Step 3: Access the Token

The generated access token is now available as an environment variable and can be used in subsequent requests:

{{accessToken}}

🔍 Viewing Console Output

To see the verification and debugging output:

1. Open Bruno DevTools (View → Toggle DevTools or Cmd/Ctrl + Shift + I)
2. Go to the Console tab
3. Execute your request
4. View the decoded token payload and verification results

📚 Collection Structure

jsonwebtoken/
├── bruno.json              # Bruno collection configuration
├── test.bru               # Main test request with JWT scripts
├── environments/
│   └── env.bru           # Environment variables
├── package.json           # Node.js dependencies
└── README.md             # This file

🛠️ Available Scripts

The collection includes Bruno scripts for:

• Pre-request Script: Generate JWT token before request execution
• Post-response Script: Verify and decode received tokens
• Tests: Validate token structure and expiration

📖 Learn More

• Bruno Documentation
• jsonwebtoken NPM Package
• JWT.io - JWT token debugger

🤝 Contributing

Feel free to submit issues and enhancement requests!

Happy Testing with Bruno! 🚀